lucene-java-user mailing list archives

Ben Litchfield wrote:
>In order to write software that consumes PDF documents you must agree to a
>list of conditions. One of those conditions is that permissions specified
>by the author of the PDF document are respected.
>
>PDFBox complies with this statement, if there is software that does not
>then they are in violation of copyright law.
>
>
>
I wanted to say something like this in one of my previous emails, when I
said that anyone can modify the code of
PDFBox to replace the restrictions
>That being said, PDFBox is open source so a user could make modifications
>to the source code, or as a PDF library could change permissions on a
>document.
>
>
This seems to me as beeing a business decision,
Iouli .... if your boss tels you that PDFBox is useless because it
prevents you to get the text from protected pdfs,
than you should say him ... I can fix it but it is not legal. You can
hack PDFbox, but before doing this you should
ensure that the authors let you do it.
All the best,
Sergiu
>Ben
>
>On Mon, 25 Oct 2004 iouli.golovatyi@group.novartis.com wrote:
>
>
>
>>Yes Ben, You are right.
>>
>>This would be correct functionality from technical perspective. But look
>>it my way with application programmer eyes reporting to big boss that c.
>>30% of doc we cope with could not be indexed because of this stupid
>>limitation. Neither he or me have any influence on pdf owners and any
>>ideas about what made them create files with documet security set.
>>
>>In short, if You also could implement this "uncorrect functionality" the
>>"closed source" guys did, it would be really great!
>>
>>As far as sponsoring is concerned I would be ready to hack (or at least to
>>try) it even for 1/3 of that fortune:)))
>>
>>J.
>>
>>
>>
>>
>>
>>Ben Litchfield <ben@csh.rit.edu>
>>25.10.2004 14:02
>>Please respond to "Lucene Users List"
>>
>>
>> To: Lucene Users List <lucene-user@jakarta.apache.org>
>> cc: (bcc: Iouli Golovatyi/X/GP/Novartis)
>> Subject: Re: Need advice: what pdf lib to use?
>> Category:
>>
>>
>>
>>
>>PDFBox does not 'stumble' when it gives that message, that is correct
>>functionality if that permission is not allowed.
>>
>>If your company is willing to pay a 'fortune' why not sponsor a change to
>>an open source project for half a fortune.
>>
>>Ben
>>http://www.pdfbox.org
>>
>>On Mon, 25 Oct 2004 iouli.golovatyi@group.novartis.com wrote:
>>
>>
>>
>>>PDFbox stumbles also with "class java.io.IOException with message: -
>>>
>>>
>>You
>>
>>
>>>do not have permission to extract text" in case the doc is copy/print
>>>protected.
>>>I tested now the snowtide commercial product and it looks like it could
>>>process these files as well. Performance was also not so bad.
>>>
>>>
>>Unfortunatly
>>
>>
>>>the test result could not be considered as 100%, because the free
>>>
>>>
>>version
>>
>>
>>>processed just first 8 pages. After all this product costs a fortune
>>>(as long the company is ready to pay I don't realy mind:))
>>>
>>>J.
>>>
>>>
>>>
>>>
>>>
>>>Robert Newson <rnewson@connected.com>
>>>Sent by: news <news@sea.gmane.org>
>>>24.10.2004 17:44
>>>Please respond to "Lucene Users List"
>>>
>>>
>>> To: lucene-user@jakarta.apache.org
>>> cc: (bcc: Iouli Golovatyi/X/GP/Novartis)
>>> Subject: Re: Need advice: what pdf lib to use?
>>> Category:
>>>
>>>
>>>
>>>iouli.golovatyi@group.novartis.com wrote:
>>>
>>>
>>>>Hello all,
>>>>
>>>>I need a piece of advice/experience..
>>>>
>>>>What pdf parser (written in java) u'd recommend?
>>>>
>>>>I played now with PDFBox-0.6.7a and would not say I was satisfied too
>>>>
>>>>
>>>much
>>>
>>>
>>>>with it
>>>>
>>>>On certain pdf's (not well formated but anyway readable with acrobate)
>>>>
>>>>
>>>it
>>>
>>>
>>>>run into dead loop (this I could fix in code),
>>>>and on one file it produced "out of memory error" and killed jvm:(
>>>>
>>>>
>>(this
>>
>>
>>>>problem I could not identify yet)
>>>>
>>>>After all the performance was not too great as well: it took c. 19 h.
>>>>
>>>>
>>to
>>
>>
>>>>index 13000 files (c. 3.5Gb)
>>>>
>>>>Regards,
>>>>J.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>On the specific problem of the "dead loop", I reported an instance of
>>>this to Ben a week or so ago and he has fixed it in the latest
>>>nightlies. I expect an official release will include this bugfix soon.
>>>The file in question was unreadable with any PDF software I have, but
>>>someone managed to create it somehow...
>>>
>>>http://sourceforge.net/tracker/index.php?func=detail&aid=1037145&group_id=78314&atid=552832
>>>
>>>I've found pdfbox to be pretty good. The only time I get problems is
>>>with corrupted or egregiously bad PDF files.
>>>
>>>B.
>>>
>>>
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>>>
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